[PATCH 09/13] ASoC: amd: acp: add machine driver support for pdm use case

From: Syed Saba Kareem
Date: Sat Oct 21 2023 - 10:52:54 EST


add pdm use case machine driver support

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@xxxxxxx>
---
sound/soc/amd/acp/acp-legacy-mach.c | 12 ++++++++++++
sound/soc/amd/acp/acp-platform.c | 29 ++++++++++++++++++-----------
2 files changed, 30 insertions(+), 11 deletions(-)

diff --git a/sound/soc/amd/acp/acp-legacy-mach.c b/sound/soc/amd/acp/acp-legacy-mach.c
index 1ab3edffe0ce..47c3b5f167f5 100644
--- a/sound/soc/amd/acp/acp-legacy-mach.c
+++ b/sound/soc/amd/acp/acp-legacy-mach.c
@@ -84,6 +84,11 @@ static struct acp_card_drvdata rt5682s_rt1019_rmb_data = {
.tdm_mode = false,
};

+static struct acp_card_drvdata acp_dmic_data = {
+ .dmic_cpu_id = DMIC,
+ .dmic_codec_id = DMIC,
+};
+
static bool acp_asoc_init_ops(struct acp_card_drvdata *priv)
{
bool has_ops = false;
@@ -165,6 +170,8 @@ static int acp_asoc_probe(struct platform_device *pdev)
card->name, ret);
goto out;
}
+ if (!strcmp(pdev->name, "acp-pdm-mach"))
+ acp_card_drvdata->platform = *((int *)dev->platform_data);

dmi_id = dmi_first_match(acp_quirk_table);
if (dmi_id && dmi_id->driver_data)
@@ -214,6 +221,10 @@ static const struct platform_device_id board_ids[] = {
.name = "rmb-rt5682s-rt1019",
.driver_data = (kernel_ulong_t)&rt5682s_rt1019_rmb_data,
},
+ {
+ .name = "acp-pdm-mach",
+ .driver_data = (kernel_ulong_t)&acp_dmic_data,
+ },
{ }
};
static struct platform_driver acp_asoc_audio = {
@@ -235,4 +246,5 @@ MODULE_ALIAS("platform:acp3xalc5682s1019");
MODULE_ALIAS("platform:acp3x-es83xx");
MODULE_ALIAS("platform:rmb-nau8825-max");
MODULE_ALIAS("platform:rmb-rt5682s-rt1019");
+MODULE_ALIAS("platform:acp-pdm-mach");
MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/amd/acp/acp-platform.c b/sound/soc/amd/acp/acp-platform.c
index f516daf6fef4..aaac8aa744cb 100644
--- a/sound/soc/amd/acp/acp-platform.c
+++ b/sound/soc/amd/acp/acp-platform.c
@@ -21,6 +21,8 @@
#include <linux/dma-mapping.h>

#include "amd.h"
+#include "../mach-config.h"
+#include "acp-mach.h"

#define DRV_NAME "acp_i2s_dma"

@@ -69,20 +71,25 @@ static const struct snd_pcm_hardware acp_pcm_hardware_capture = {
int acp_machine_select(struct acp_dev_data *adata)
{
struct snd_soc_acpi_mach *mach;
- int size;
-
- size = sizeof(*adata->machines);
- mach = snd_soc_acpi_find_machine(adata->machines);
- if (!mach) {
- dev_err(adata->dev, "warning: No matching ASoC machine driver found\n");
- return -EINVAL;
+ int size, platform;
+
+ if (adata->flag == FLAG_AMD_LEGACY_ONLY_DMIC) {
+ platform = adata->platform;
+ adata->mach_dev = platform_device_register_data(adata->dev, "acp-pdm-mach",
+ PLATFORM_DEVID_NONE, &platform,
+ sizeof(platform));
+ } else {
+ size = sizeof(*adata->machines);
+ mach = snd_soc_acpi_find_machine(adata->machines);
+ if (!mach) {
+ dev_err(adata->dev, "warning: No matching ASoC machine driver found\n");
+ return -EINVAL;
+ }
+ adata->mach_dev = platform_device_register_data(adata->dev, mach->drv_name,
+ PLATFORM_DEVID_NONE, mach, size);
}
-
- adata->mach_dev = platform_device_register_data(adata->dev, mach->drv_name,
- PLATFORM_DEVID_NONE, mach, size);
if (IS_ERR(adata->mach_dev))
dev_warn(adata->dev, "Unable to register Machine device\n");
-
return 0;
}
EXPORT_SYMBOL_NS_GPL(acp_machine_select, SND_SOC_ACP_COMMON);
--
2.25.1